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From: Paul Rubin <no.email@nospam.invalid>
Newsgroups: comp.lang.forth
Subject: Re: polyForth multitasker question
Date: Sun, 09 Apr 2017 18:05:54 -0700
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"Elizabeth D. Rather" <erather@forth.com> writes:
> In many applications, there's nothing wrong with letting the
> multitasker spin when nothing's going on, because in a PC, for
> example, it doesn't cost any extra power. 

PC's nowadays use a lot more power when the cpu is busy.  If something
gets caught in a loop on my laptop, I can tell that it happens because
the laptop fan turns on.  With my old laptop, if I ran something
compute-intensive, the laptop itself would start to smell bad after a
while, as heat buildup caused internal adhesives and stuff to off-gas.

See also: https://xkcd.com/1172/